python3.pkgs.tinycss: fix build (#53831)

The build was broken by the python 3.7 switch, which caused an
incompatible change in the way cython generates files:

https://github.com/Kozea/tinycss/issues/17

This is solved by removing the pre-generated file and re-generating it
at build time.
This commit is contained in:
Timo Kaufmann 2019-01-12 11:24:31 +01:00 committed by Robert Schütz
parent 768d876394
commit 6359e9baf0

View file

@ -3,6 +3,7 @@
, fetchPypi
, pytest
, python
, cython
, cssutils
, isPyPy
}:
@ -18,6 +19,17 @@ buildPythonPackage rec {
checkInputs = [ pytest ];
propagatedBuildInputs = [ cssutils ];
nativeBuildInputs = [
cython
];
preBuild = ''
# Force cython to re-generate this file. If it is present, cython will
# think it is "up to date" even though it was generated with an older,
# incompatible version of cython. See
# https://github.com/Kozea/tinycss/issues/17.
rm tinycss/speedups.c
'';
checkPhase = ''
py.test $out/${python.sitePackages}